# Ulty vs ShiftStamp

The clearest difference is ads: Ulty at none against ShiftStamp's shown. Ulty also leads on iOS requirement (16.4 vs 18.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Ulty | ShiftStamp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | — |
| Size | 59 MB | 5 MB |
| Requires iOS | **16.4** | 18.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Sanghun Kong](https://appshunter.io/developer/1860301137) | [JINSEOK OH](https://appshunter.io/developer/1841405794) |

## What reviewers say

### Ulty

[App page](https://appshunter.io/ios/app/ulty-shift-calendar/id6756371021)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ShiftStamp

[App page](https://appshunter.io/ios/app/shiftstamp/id6757310423)

**In-app purchases:** none


## Frequently asked questions

### Is Ulty free?

Ulty is free to download, with no in-app purchases.

### Is ShiftStamp free?

ShiftStamp is free to download, with no in-app purchases.

### Do Ulty or ShiftStamp have ads?

ShiftStamp shows ads; Ulty does not.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*